Dottie Woodson likely has answers to your questions. She will be giving a talk, beleive it or not, at the Master Gardener's Info Fest Saturday October 3rd at 900 N. Kealy Ave. Lewisville, TX. I do not know what time she is speaking, but will know more in the coming week. I will post it on a website, http://www.DentonOrganicSociety.org
If you are not familiar with Dottie Woodson, for starters, view www.txsmartscape.com/
. She is a good person!
Last year at the InfoFest, Malcolm Beck came to speak. it is a great event!!!I hope you will attend!